KR900013109A - Dimensionally stable anodes and their use in the manufacture of alkali metal dichromates and chromic acids - Google Patents

Dimensionally stable anodes and their use in the manufacture of alkali metal dichromates and chromic acids Download PDF

Info

Publication number
KR900013109A
KR900013109A KR1019900001875A KR900001875A KR900013109A KR 900013109 A KR900013109 A KR 900013109A KR 1019900001875 A KR1019900001875 A KR 1019900001875A KR 900001875 A KR900001875 A KR 900001875A KR 900013109 A KR900013109 A KR 900013109A
Authority
KR
South Korea
Prior art keywords
dimensionally stable
stable anode
alkali metal
metal
platinum
Prior art date
Application number
KR1019900001875A
Other languages
Korean (ko)
Other versions
KR960016418B1 (en
Inventor
클로츠 헬무트
베버 라이너
뢴호프 노베르트
블록 한스-디터
Original Assignee
귄터 슈마허,클라우스 댄너
바이엘 아크티엔게젤샤프트
클라우스 댄너
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6374469&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR900013109(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 귄터 슈마허,클라우스 댄너, 바이엘 아크티엔게젤샤프트, 클라우스 댄너 filed Critical 귄터 슈마허,클라우스 댄너
Publication of KR900013109A publication Critical patent/KR900013109A/en
Application granted granted Critical
Publication of KR960016418B1 publication Critical patent/KR960016418B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/14—Alkali metal compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/22—Inorganic acids
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Catalysts (AREA)

Abstract

내용 없음No content

Description

치수안정성 양극 및 알칼리 금속 중크롬산염과 크롬산 제조시의 이의 용도Dimensionally stable anodes and their use in the manufacture of alkali metal dichromates and chromic acids

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (7)

a) 전기전도성 밸브 금속, b) 도전성 중간층 및 c) 전기촉매성 활성물질의 전극 피복물로 이루어진 치수 안정성 양극에 있어서, 중간층이 귀금속 염을 함유하는 용융물을 전기도금으로 침착시켜 밸브 금속에 적용시킨 하나 이상의 귀금속 및/ 또는 귀금속 합금으로 이루어짐을 특징으로 하는 치수안정성 양극.A dimensionally stable anode comprising a) an electrically conductive valve metal, b) a conductive intermediate layer, and c) an electrode coating of an electrocatalytic active material, wherein the intermediate layer is applied to the valve metal by depositing a melt containing a noble metal salt with electroplating. A dimensionally stable anode characterized by consisting of the above precious metals and / or precious metal alloys. 제1항에 있어서, 중간층이 백금 및/또는 이리듐 및/또는 백금-이리듐 합금인 치수안정성 양극.The dimensionally stable anode according to claim 1, wherein the intermediate layer is a platinum and / or iridium and / or platinum-iridium alloy. 제1항에 있어서, 중간층의 층 두께가 1.5 내지 5μm인 치수안정성 양극.The dimensionally stable anode of Claim 1 whose layer thickness of an intermediate | middle layer is 1.5-5 micrometers. 제1항에 있어서, 밸브 금속이 티탄늄, 탄탈륨, 니오븀, 지르코늄 또는 이들의 합금인 치수안정성 양극.The dimensionally stable anode according to claim 1, wherein the valve metal is titanium, tantalum, niobium, zirconium, or an alloy thereof. 제1항에 있어서, 전극 피복물이 하나 이상의 백금 금속 산화물인 치수안정성 양극.The dimensionally stable anode of claim 1 wherein the electrode coating is at least one platinum metal oxide. 제1항에 있어서, 전극 피복물이 산화백금 및/또는 산화이리듐인 치수안정성 양극.The dimensionally stable anode according to claim 1, wherein the electrode coating is platinum oxide and / or iridium oxide. 알칼리 금속 크롬산염 또는 알칼리 금속 중크롬산염 용액을 전기분해하여 알칼리 금속 중크롬산염과 크롬산을 제조하는 방법에 있어서, 전기분해가 제1항에 따르는 치수안정성 양극의 존재하에 수행됨을 특징으로 하는 방법.A process for producing alkali metal dichromate and chromic acid by electrolysis of an alkali metal chromate or alkali metal dichromate solution, wherein the electrolysis is carried out in the presence of the dimensionally stable anode according to claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900001875A 1989-02-18 1990-02-16 Dimensionally stable anodes and their use in the preparation of alkali metal dichromates and chromic acid KR960016418B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3905082.3 1989-02-18
DE3905082A DE3905082A1 (en) 1989-02-18 1989-02-18 STABLE ANODES AND THEIR USE IN THE PRODUCTION OF ALKALIDICHROMATES AND CHROME ACID

Publications (2)

Publication Number Publication Date
KR900013109A true KR900013109A (en) 1990-09-03
KR960016418B1 KR960016418B1 (en) 1996-12-11

Family

ID=6374469

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900001875A KR960016418B1 (en) 1989-02-18 1990-02-16 Dimensionally stable anodes and their use in the preparation of alkali metal dichromates and chromic acid

Country Status (14)

Country Link
US (1) US5128000A (en)
EP (1) EP0384194B1 (en)
JP (1) JP2641584B2 (en)
KR (1) KR960016418B1 (en)
AR (1) AR246311A1 (en)
BR (1) BR9000721A (en)
CA (1) CA2010221A1 (en)
DD (1) DD298437A5 (en)
DE (2) DE3905082A1 (en)
ES (1) ES2050287T3 (en)
MX (1) MX173097B (en)
RU (1) RU1838450C (en)
TR (1) TR26579A (en)
ZA (1) ZA901196B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997028293A1 (en) * 1996-02-01 1997-08-07 Motorola Inc. Composite multilayer electrodes for electrochemical cells
FR2748495B1 (en) * 1996-05-13 1998-07-17 Electricite De France IMPROVED LONGEVITY ANODE AND MANUFACTURING METHOD THEREOF
US7556722B2 (en) 1996-11-22 2009-07-07 Metzger Hubert F Electroplating apparatus
US6217729B1 (en) 1999-04-08 2001-04-17 United States Filter Corporation Anode formulation and methods of manufacture
US8298395B2 (en) 1999-06-30 2012-10-30 Chema Technology, Inc. Electroplating apparatus
DE10029837B4 (en) * 2000-06-16 2005-02-17 Degussa Galvanotechnik Gmbh Process for the production of unilaterally platinated plates and expanded metal gratings of refractory metals
JP4615847B2 (en) * 2003-11-25 2011-01-19 株式会社フルヤ金属 Corrosion resistant material and method for producing the same
JP2008156684A (en) * 2006-12-22 2008-07-10 Tanaka Kikinzoku Kogyo Kk Anode electrode for hydrochloric acid electrolysis
US7713401B2 (en) * 2007-08-08 2010-05-11 Battelle Energy Alliance, Llc Methods for performing electrochemical nitration reactions
EP2292811B1 (en) * 2008-07-03 2017-02-15 Asahi Kasei Kabushiki Kaisha Cathode for hydrogen generation and method for producing the same
US20110052896A1 (en) * 2009-08-27 2011-03-03 Shrisudersan Jayaraman Zinc Oxide and Cobalt Oxide Nanostructures and Methods of Making Thereof
US20110086238A1 (en) * 2009-10-09 2011-04-14 Shrisudersan Jayaraman Niobium Nanostructures And Methods Of Making Thereof
CN104593818B (en) * 2014-12-24 2017-04-26 中南大学 Titanium-based composite anode as well as preparation method and application thereof
CN113355705B (en) * 2021-06-02 2022-05-03 建滔（连州）铜箔有限公司 Titanium anode plate for electrolytic copper foil and back treatment process

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454478A (en) * 1965-06-28 1969-07-08 Ppg Industries Inc Electrolytically reducing halide impurity content of alkali metal dichromate solutions
US3663414A (en) * 1969-06-27 1972-05-16 Ppg Industries Inc Electrode coating
DE2113676C2 (en) * 1971-03-20 1985-09-12 Conradty GmbH & Co Metallelektroden KG, 8505 Röthenbach Electrode for electrochemical processes
JPS5119429A (en) * 1974-08-09 1976-02-16 Oki Electric Ind Co Ltd FUSETSUKYOKUSHIKI BETSUHOSHIKI
JPS5325838A (en) * 1976-08-23 1978-03-10 Matsushita Electric Ind Co Ltd Storage battery electrode plate
FR2426095A1 (en) * 1978-05-19 1979-12-14 Anger Roger ANODIC ELECTRODE STABLE IN DIMENSIONS AND MANUFACTURING PROCESS
US4157943A (en) * 1978-07-14 1979-06-12 The International Nickel Company, Inc. Composite electrode for electrolytic processes
KR840000994B1 (en) * 1979-05-29 1984-07-13 다이아몬드 샴락크 코오포레이션 Chromic acid production process using a thrce-compartment cell
JPS5940914A (en) * 1982-08-31 1984-03-06 Mazda Motor Corp Vehicle attitude control device

Also Published As

Publication number Publication date
AR246311A1 (en) 1994-07-29
US5128000A (en) 1992-07-07
EP0384194A2 (en) 1990-08-29
EP0384194A3 (en) 1991-06-05
BR9000721A (en) 1991-01-22
JPH02247392A (en) 1990-10-03
CA2010221A1 (en) 1990-08-18
MX173097B (en) 1994-02-01
EP0384194B1 (en) 1994-03-09
DE59004842D1 (en) 1994-04-14
TR26579A (en) 1995-03-15
KR960016418B1 (en) 1996-12-11
RU1838450C (en) 1993-08-30
DD298437A5 (en) 1992-02-20
JP2641584B2 (en) 1997-08-13
DE3905082A1 (en) 1990-08-23
ES2050287T3 (en) 1994-05-16
ZA901196B (en) 1990-11-28

Similar Documents

Publication Publication Date Title
KR900013109A (en) Dimensionally stable anodes and their use in the manufacture of alkali metal dichromates and chromic acids
US4502936A (en) Electrode and electrolytic cell
KR830010221A (en) Durable electrolytic electrode and its manufacturing method
CA1201996A (en) Cathodes having platinum/ruthenium electrocatalytic surfaces of high roughness
IE31934B1 (en) Improvements in or relating to the manufacture of electrodes
GB1327760A (en) Electrodes
GB855107A (en) Improvements in or relating to anodes
GB2290553B (en) Chromium plating method using trivalent chromium
KR870010220A (en) Electrolytic cathode and its manufacturing method
CA1213563A (en) Electrocatalytic electrode
FR2797646B1 (en) CATHODE FOR USE IN THE ELECTROLYSIS OF AQUEOUS SOLUTIONS
KR850007105A (en) Electrolytic electrode and manufacturing process
CA1159682A (en) Electrode substrate titanium alloy for use in electrolysis
MY101997A (en) Coated metal electrodes for electrolysis and process for production thereof
KR870011267A (en) Method of use as anode and halogen electrode containing iridium-based amorphous metal alloy
GB1402184A (en) Anodic treatment of chromium-containing alloys
EP0164200A1 (en) Improved electrolytic processes employing platinum based amorphouse metal alloy oxygen anodes
US3503799A (en) Method of preparing an electrode coated with a platinum metal
JPS595674B2 (en) electrode structure
FI870972A0 (en) FOER FARING FOER AVLAEGSNANDE AV HALOGEN UR KLOR- OCH BROMAETTIKSYROR.
GB2007712A (en) Stable electrode for electrochemical applications
US5004626A (en) Anodes and method of making
GB1285417A (en) Production of protective coatings on metals by anodic oxidation
KR900003068A (en) Method for preparing alkali dichromate and chromic acid
Pushpavanum et al. Platinum plating for decorative and functional applications

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20011128

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee